LM2904BA-Q1

現行

汽車級、雙路、36-V、1.2-MHz、2-mV 偏移電壓運算放大器

產品詳細資料

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Rail-to-rail In to V- GBW (typ) (MHz) 1.2 Slew rate (typ) (V/µs) 0.5 Vos (offset voltage at 25°C) (max) (mV) 2 Iq per channel (typ) (mA) 0.3 Vn at 1 kHz (typ) (nV√Hz) 40 Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Offset drift (typ) (µV/°C) 3.5 Features Cost Optimized, EMI Hardened, Standard Amps Input bias current (max) (pA) 35000 CMRR (typ) (dB) 94 Iout (typ) (A) 0.04 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) -1.5 Output swing headroom (to negative supply) (typ) (V) 0.005 Output swing headroom (to positive supply) (typ) (V) -1.4
Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Rail-to-rail In to V- GBW (typ) (MHz) 1.2 Slew rate (typ) (V/µs) 0.5 Vos (offset voltage at 25°C) (max) (mV) 2 Iq per channel (typ) (mA) 0.3 Vn at 1 kHz (typ) (nV√Hz) 40 Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Offset drift (typ) (µV/°C) 3.5 Features Cost Optimized, EMI Hardened, Standard Amps Input bias current (max) (pA) 35000 CMRR (typ) (dB) 94 Iout (typ) (A) 0.04 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) -1.5 Output swing headroom (to negative supply) (typ) (V) 0.005 Output swing headroom (to positive supply) (typ) (V) -1.4
TSSOP (PW) 8 19.2 mm² (3 mm × 6.4 mm) SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm) VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm)
  • AEC Q-100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C
    • Device HBM ESD classification 2
    • Device CDM ESD classification C5
  • Wide supply range of 3 V to 36 V (LM2904B-Q1 and LM2904BA-Q1)
  • Supply-current of 300 µA per channel (LM2904B-Q1 and LM2904BA-Q1, typical)
  • Unity-gain bandwidth of 1.2 MHz (LM2904B-Q1 and LM2904BA-Q1)
  • Common-mode input voltage range includes ground, enabling direct sensing near ground
  • Low input offset voltage of 2 mV at 25°C (LM2904BA-Q1, maximum)
  • Low input offset voltage of 3 mV at 25°C (LM2904B-Q1, maximum)
  • Internal RF and EMI filter (LM2904B-Q1 and LM2904BA-Q1)
  • Functional Safety-Capable
  • AEC Q-100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C
    • Device HBM ESD classification 2
    • Device CDM ESD classification C5
  • Wide supply range of 3 V to 36 V (LM2904B-Q1 and LM2904BA-Q1)
  • Supply-current of 300 µA per channel (LM2904B-Q1 and LM2904BA-Q1, typical)
  • Unity-gain bandwidth of 1.2 MHz (LM2904B-Q1 and LM2904BA-Q1)
  • Common-mode input voltage range includes ground, enabling direct sensing near ground
  • Low input offset voltage of 2 mV at 25°C (LM2904BA-Q1, maximum)
  • Low input offset voltage of 3 mV at 25°C (LM2904B-Q1, maximum)
  • Internal RF and EMI filter (LM2904B-Q1 and LM2904BA-Q1)
  • Functional Safety-Capable

The LM2904-Q1, LM2904B-Q1, and LM2904BA-Q1 are industry-standard operational amplifiers that have been qualified for automotive use in accordance to the AEC-Q100 specifications. The LM2904B-Q1 and LM2904BA-Q1 are the next-generation versions of the LM2904-Q1, which include two high-voltage (36 V) operational amplifiers (op amps). The LM2904B-Q1 and LM2904BA-Q1 provide outstanding value for cost-sensitive applications, with features including low offset (3 mV and 2 mV maximum, respectively), common-mode input range to ground, and high differential input voltage capability.

The LM2904B-Q1 and LM2904BA-Q1 simplify circuit design with enhanced features such as unity-gain stability, lower offset voltage of 0.3 mV (typical), and lower quiescent current of 300 µA (typical). High ESD (2 kV, HBM) and integrated EMI and RF filters enable the LM2904B-Q1 and LM2904BA-Q1 devices to be used in the most rugged, environmentally challenging applications for the automotive marketplace.

The LM2904-Q1, LM2904B-Q1, and LM2904BA-Q1 are industry-standard operational amplifiers that have been qualified for automotive use in accordance to the AEC-Q100 specifications. The LM2904B-Q1 and LM2904BA-Q1 are the next-generation versions of the LM2904-Q1, which include two high-voltage (36 V) operational amplifiers (op amps). The LM2904B-Q1 and LM2904BA-Q1 provide outstanding value for cost-sensitive applications, with features including low offset (3 mV and 2 mV maximum, respectively), common-mode input range to ground, and high differential input voltage capability.

The LM2904B-Q1 and LM2904BA-Q1 simplify circuit design with enhanced features such as unity-gain stability, lower offset voltage of 0.3 mV (typical), and lower quiescent current of 300 µA (typical). High ESD (2 kV, HBM) and integrated EMI and RF filters enable the LM2904B-Q1 and LM2904BA-Q1 devices to be used in the most rugged, environmentally challenging applications for the automotive marketplace.

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LM2904B-Q1 現行 操作溫度範圍為 -40°C 至 125°C 的車規、雙路、36-V、1.2-MHz 運算放大器 Higher offset voltage (3 mV)

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 LM2904-Q1, LM2904B-Q1, and LM2904BA-Q1 Industry-Standard Dual Operational Amplifiers for Automotive Applications datasheet (Rev. K) PDF | HTML 2022/4/6

設計與開發

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開發板

AMP-PDK-EVM — 放大器性能開發套件評估模組

放大器性能開發套件 (PDK) 是一款評估模組 (EVM) 套件,可測試通用運算放大器 (op amp) 參數,並與大多數運算放大器和比較器相容。EVM 套件提供主板和多個插槽式子卡選項,可滿足封裝需求,使工程師能夠快速評估和驗證裝置性能。

AMP-PDK-EVM 套件支援五種最熱門的業界標準封裝,包括:

  • D (SOIC-8 和 SOIC-14)
  • PW (TSSOP-14)
  • DGK (VSSOP-8)
  • DBV (SOT23-5 和 SOT23-6)
  • DCK (SC70-5 和 SC70-6)
使用指南: PDF | HTML
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開發板

DIP-ADAPTER-EVM — DIP 轉接器評估模組

Speed up your op amp prototyping and testing with the DIP-Adapter-EVM, which provides a fast, easy and inexpensive way to interface with small, surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them directly to existing circuits.

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開發板

DUAL-DIYAMP-EVM — 用於 SOIC 封裝的雙通道通用自製 (DIY) 放大器電路評估模組

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DUAL-DIYAMP-EVM 可快速製作電路原型,並採用常見的 0805 或 0603 表面裝載元件。透過多種組合方式,此 EVM (...)

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模擬型號

LMx58BA_LM2904BA PSpice Model (Rev. C)

SLOM475C.ZIP (30 KB) - PSpice 模型
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模擬型號

LMx58BA_LM2904BA Reference Design (Rev. A)

SLOM477A.TSC (113 KB) - TINA-TI 參考設計
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模擬型號

LMx58BA_LM2904BA TINA-TI Macro (Rev. A)

SLOM476A.ZIP (4 KB) - TINA-TI Spice 模型
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設計工具

CIRCUIT060013 — 具有 T 網路回饋電路的反相放大器

此設計可反轉輸入訊號 VIN,並使用 1000 V/V 或 60 dB 訊號增益。具有 T 回饋網路的反相放大器可在沒有較小 R4 值或超大回饋電阻器值的情況下獲得高增益。
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設計工具

CIRCUIT060015 — 可調式參考電壓電路

此電路結合反相及非反相放大器,讓參考電壓可從負輸入電壓向上調整至輸入電壓。可加入增益以提高最大負參考位準。
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設計工具

CIRCUIT060074 — 具有比較器電路的高壓側電流感測

此高壓側電流感測解決方案使用一個具有軌對軌輸入共模範圍的比較器,若負載電流上升到 1 A 以上,便在比較器輸出 (COMP OUT) 建立過電流警示 (OC 警示) 訊號。此實作中的 OC 訊號為低電位作動。因此當超過 1-A 閾值時,比較器輸出會變低。實作磁滯後會在負載電流降低至 0.5 A (減少 50%) 時,讓 OC-Alert 返回邏輯高狀態。此電路利用開漏輸出比較器,為控制數位邏輯輸入針腳而進行電平轉換輸出高邏輯電平。對於需要驅動 MOSFET 開關閘極的應用,建議使用具推挽輸出的比較器。
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
TSSOP (PW) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian
VSSOP (DGK) 8 Ultra Librarian

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